guile/test-suite/tests/srcprop.test

;;;; srcprop.test --- test Guile source properties    -*- scheme -*-
;;;;
;;;; Copyright (C) 2003, 2006, 2009 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 3 of the License, or (at your option) any later version.
;;;; 
;;;; This library is distributed in the hope that it will be useful,
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;;;; Lesser General Public License for more details.
;;;; 
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

(define-module (test-suite test-srcprop)
  :use-module (test-suite lib))


;;;
;;; source-properties
;;;

(with-test-prefix "source-properties"

  (pass-if "no props"
    (null? (source-properties (list 1 2 3))))

  (read-enable 'positions)
  (with-test-prefix "read properties"
    (define (reads-with-srcprops? str)
      (let ((x (read (open-input-string str))))
        (not (null? (source-properties x)))))

    (pass-if "pairs"           (reads-with-srcprops? "(1 . 2)"))
    (pass-if "vectors"         (reads-with-srcprops? "#(1 2 3)"))
    (pass-if "bytevectors"     (reads-with-srcprops? "#vu8(1 2 3)"))
    (pass-if "bitvectors"      (reads-with-srcprops? "#*101011"))
    (pass-if "srfi4 vectors"   (reads-with-srcprops? "#f64(3.1415 2.71)"))
    (pass-if "arrays"          (reads-with-srcprops? "#2u32@2@3((1 2) (2 3))"))
    (pass-if "strings"         (reads-with-srcprops? "\"hello\""))
    (pass-if "null string"     (reads-with-srcprops? "\"\""))

    (pass-if "floats"          (reads-with-srcprops? "3.1415"))
    (pass-if "fractions"       (reads-with-srcprops? "1/2"))
    (pass-if "complex numbers" (reads-with-srcprops? "1+1i"))
    (pass-if "bignums"
      (and (reads-with-srcprops? (number->string (1+ most-positive-fixnum)))
           (reads-with-srcprops? (number->string (1- most-negative-fixnum)))))

    (pass-if "fixnums (should have none)"
      (not (or (reads-with-srcprops? "0")
               (reads-with-srcprops? "1")
               (reads-with-srcprops? "-1")
               (reads-with-srcprops? (number->string most-positive-fixnum))
               (reads-with-srcprops? (number->string most-negative-fixnum)))))

    (pass-if "symbols (should have none)"
      (not (reads-with-srcprops? "foo")))

    (pass-if "keywords (should have none)"
      (not (reads-with-srcprops? "#:foo")))

    (pass-if "characters (should have none)"
      (not (reads-with-srcprops? "#\\c")))

    (pass-if "booleans (should have none)"
      (not (or (reads-with-srcprops? "#t")
               (reads-with-srcprops? "#f"))))))

;;;
;;; set-source-property!
;;;

(with-test-prefix "set-source-property!"
  (read-enable 'positions)

  (pass-if "setting the breakpoint property works"
    (let ((s (read (open-input-string "(+ 3 4)"))))
      (throw 'unresolved)
      (set-source-property! s 'breakpoint #t)
      (let ((current-trap-opts (evaluator-traps-interface))
	    (current-debug-opts (debug-options-interface))
	    (trap-called #f))
	(trap-set! enter-frame-handler (lambda _ (set! trap-called #t)))
	(trap-enable 'traps)
	(debug-enable 'debug)
	(debug-enable 'breakpoints)
	(with-traps (lambda ()
		      (primitive-eval s)))
	(evaluator-traps-interface current-trap-opts)
	(debug-options-interface current-debug-opts)
	trap-called))))

;;;
;;; set-source-properties!
;;;

(with-test-prefix "set-source-properties!"
  (read-enable 'positions)

  (pass-if "setting the breakpoint property works"
    (let ((s (read (open-input-string "(+ 3 4)"))))
      (throw 'unresolved)
      (set-source-properties! s '((breakpoint #t)))
      (let ((current-trap-opts (evaluator-traps-interface))
	    (current-debug-opts (debug-options-interface))
	    (trap-called #f))
	(trap-set! enter-frame-handler (lambda _ (set! trap-called #t)))
	(trap-enable 'traps)
	(debug-enable 'debug)
	(debug-enable 'breakpoints)
	(with-traps (lambda ()
		      (primitive-eval s)))
	(evaluator-traps-interface current-trap-opts)
	(debug-options-interface current-debug-opts)
	trap-called)))

  (let ((s (read (open-input-string "(1 . 2)"))))
    
    (with-test-prefix "copied props"
      (pass-if "visible to source-property"
	(let ((t (cons 3 4)))
	  (set-source-properties! t (source-properties s))
	  (number? (source-property t 'line))))

      (pass-if "visible to source-properties"
	(let ((t (cons 3 4)))
	  (set-source-properties! t (source-properties s))
	  (not (null? (source-properties t))))))))